| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] | 135596 |
|
| 2 | to be [vb pp] | 82452 |
|
| 3 | to be [prep] | 8967 |
|
| 4 | to [vb pp] [prep] | 65 |
|
